The idea is that a list of fragrances is sent over your phone; the Mobile Fragrance Communications Kit can then receive this list and then present each fragrance in sequence using a portable aroma generator.

The idea of a "fragrance playlist" seems a bit odd, but maybe your significant other is a fragrance sequence designer.

Anyway, I think that Frederik Pohl has a better organized version of this idea in his legendary joymaker cellphone/PDA from his 1965 novel The Age of the Pussyfoot.

Forrester was breathing hard. Abruptly, the joymaker in his hand hissed and sprayed him with something that felt damp for a second, then dissipated...
(Read more about the joymaker spray module)